Spike ball



FIG. 1 is a top perspective view of a spike ball in accordance with the present invention;

FIG. 2 is a top view of the spike ball of FIG. 1;

FIG. 3 is a bottom view of the spike ball of FIG. 1;

FIG. 4 is a front view of the spike ball of FIG. 1 turned 90°;

FIG. 5 is a rear view of the spike ball of FIG. 1;

FIG. 6 is a right side view of the spike ball of FIG. 1; and,

FIG. 7 is a left side view of the spike ball of FIG. 1. 

CLAIM The ornamental design for a spike ball, as shown and described. 